Home / 123,967.03-171,075.63-67,378.54

Finding the Fourth Proportional to 123,967.03, 171,075.63 and 67,378.54

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Solution

The fourth proportional to 123,967.03, 171,075.63 and 67,378.54 is: 92,983.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,967.03 : 171,075.63 = 67,378.54 : x
  2. Step 2: Convert to fraction form
    123,967.03/171,075.63 = 67,378.54/x
  3. Step 3: Cross multiply
    123,967.03x = 171,075.63 × 67,378.54
  4. Step 4: Simplify right side
    123,967.03x = 11,526,826,178.98
  5. Step 5: Solve for x
    x = 11,526,826,178.98/123,967.03
  6. Step 6: Final answer
    x = 92,983.00

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.